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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Copyright (C) 2012 Zhenya Leonov<a name="line.2"></a>
<span class="sourceLineNo">003</span> *<a name="line.3"></a>
<span class="sourceLineNo">004</span> * Licensed under the Apache License, Version 2.0 (the "License");<a name="line.4"></a>
<span class="sourceLineNo">005</span> * you may not use this file except in compliance with the License.<a name="line.5"></a>
<span class="sourceLineNo">006</span> * You may obtain a copy of the License at<a name="line.6"></a>
<span class="sourceLineNo">007</span> *<a name="line.7"></a>
<span class="sourceLineNo">008</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * Unless required by applicable law or agreed to in writing, software<a name="line.10"></a>
<span class="sourceLineNo">011</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.11"></a>
<span class="sourceLineNo">012</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.12"></a>
<span class="sourceLineNo">013</span> * See the License for the specific language governing permissions and<a name="line.13"></a>
<span class="sourceLineNo">014</span> * limitations under the License.<a name="line.14"></a>
<span class="sourceLineNo">015</span> */<a name="line.15"></a>
<span class="sourceLineNo">016</span><a name="line.16"></a>
<span class="sourceLineNo">017</span>package com.palamida.util.base;<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>import static com.google.common.base.Preconditions.checkNotNull;<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.util.Arrays;<a name="line.21"></a>
<span class="sourceLineNo">022</span><a name="line.22"></a>
<span class="sourceLineNo">023</span>import com.google.common.base.Function;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import com.google.common.base.Objects;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import com.google.common.collect.ObjectArrays;<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>/**<a name="line.27"></a>
<span class="sourceLineNo">028</span> * Static utility methods that operate on or return arrays.<a name="line.28"></a>
<span class="sourceLineNo">029</span> * <a name="line.29"></a>
<span class="sourceLineNo">030</span> * @author Zhenya Leonov<a name="line.30"></a>
<span class="sourceLineNo">031</span> * @see Arrays<a name="line.31"></a>
<span class="sourceLineNo">032</span> * @see ObjectArrays<a name="line.32"></a>
<span class="sourceLineNo">033</span> */<a name="line.33"></a>
<span class="sourceLineNo">034</span>final public class MoreArrays {<a name="line.34"></a>
<span class="sourceLineNo">035</span><a name="line.35"></a>
<span class="sourceLineNo">036</span>        private MoreArrays() {<a name="line.36"></a>
<span class="sourceLineNo">037</span>        };<a name="line.37"></a>
<span class="sourceLineNo">038</span><a name="line.38"></a>
<span class="sourceLineNo">039</span>        /**<a name="line.39"></a>
<span class="sourceLineNo">040</span>         * Returns a new array containing the result of {@code function.apply(F)} on<a name="line.40"></a>
<span class="sourceLineNo">041</span>         * each element of the specified array.<a name="line.41"></a>
<span class="sourceLineNo">042</span>         * <a name="line.42"></a>
<span class="sourceLineNo">043</span>         * @param function<a name="line.43"></a>
<span class="sourceLineNo">044</span>         *            the function to apply to each element of the specified array<a name="line.44"></a>
<span class="sourceLineNo">045</span>         * @param from<a name="line.45"></a>
<span class="sourceLineNo">046</span>         *            the array to transform<a name="line.46"></a>
<span class="sourceLineNo">047</span>         * @return new array containing the result of {@code function.apply(F)} on<a name="line.47"></a>
<span class="sourceLineNo">048</span>         *         each element of the specified array<a name="line.48"></a>
<span class="sourceLineNo">049</span>         */<a name="line.49"></a>
<span class="sourceLineNo">050</span>        @SuppressWarnings("unchecked")<a name="line.50"></a>
<span class="sourceLineNo">051</span>        public static &lt;F, T&gt; T[] transform(final F[] from, final Function&lt;? super F, ? extends T&gt; function) {<a name="line.51"></a>
<span class="sourceLineNo">052</span>                checkNotNull(from);<a name="line.52"></a>
<span class="sourceLineNo">053</span>                checkNotNull(function);<a name="line.53"></a>
<span class="sourceLineNo">054</span>                final Object[] to = new Object[from.length];<a name="line.54"></a>
<span class="sourceLineNo">055</span>                for (int i = 0; i &lt; to.length; i++)<a name="line.55"></a>
<span class="sourceLineNo">056</span>                        to[i] = function.apply(from[i]);<a name="line.56"></a>
<span class="sourceLineNo">057</span>                return (T[]) to;<a name="line.57"></a>
<span class="sourceLineNo">058</span>        }<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span>        /**<a name="line.60"></a>
<span class="sourceLineNo">061</span>         * Returns {@code true} if the specified array contains the given element,<a name="line.61"></a>
<span class="sourceLineNo">062</span>         * {@code false} otherwise.<a name="line.62"></a>
<span class="sourceLineNo">063</span>         * <a name="line.63"></a>
<span class="sourceLineNo">064</span>         * @param array<a name="line.64"></a>
<span class="sourceLineNo">065</span>         *            the specified array<a name="line.65"></a>
<span class="sourceLineNo">066</span>         * @param element<a name="line.66"></a>
<span class="sourceLineNo">067</span>         *            the object to look find<a name="line.67"></a>
<span class="sourceLineNo">068</span>         * @return {@code true} if the specified array contains the given element,<a name="line.68"></a>
<span class="sourceLineNo">069</span>         *         {@code false} otherwise<a name="line.69"></a>
<span class="sourceLineNo">070</span>         */<a name="line.70"></a>
<span class="sourceLineNo">071</span>        public static &lt;T&gt; boolean contains(final T[] array, final Object element) {<a name="line.71"></a>
<span class="sourceLineNo">072</span>                checkNotNull(array);<a name="line.72"></a>
<span class="sourceLineNo">073</span>                checkNotNull(element);<a name="line.73"></a>
<span class="sourceLineNo">074</span>                for (final Object o : array)<a name="line.74"></a>
<span class="sourceLineNo">075</span>                        if (Objects.equal(o, element))<a name="line.75"></a>
<span class="sourceLineNo">076</span>                                return true;<a name="line.76"></a>
<span class="sourceLineNo">077</span>                return false;<a name="line.77"></a>
<span class="sourceLineNo">078</span>        }<a name="line.78"></a>
<span class="sourceLineNo">079</span><a name="line.79"></a>
<span class="sourceLineNo">080</span>}<a name="line.80"></a>




























































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